General

  • Target

    dllhost.bat

  • Size

    658KB

  • Sample

    250413-h4dtka1lt2

  • MD5

    19ff0b8faebbeca871f17a931bffdf1a

  • SHA1

    433d123f4733bb8cc867b2110858727e530ec7e4

  • SHA256

    c96325777c1db10cc8d7fd4371cd29d8a4fcba2ea5a421d296df36b072355333

  • SHA512

    e9a0af471d8cf5799631ae5bbb8e764f9aef885f67001ba9997d938e11b7198e921d945c9eed91441a5a0773145c2e19fae5e2af2a89424c0e3d9fec2c7545fa

  • SSDEEP

    12288:C9HMeUmcufrvA3kb445UEJ2jsWiD4EvFuu4cNgZhCiZKD/XdyF3:uiBIGkbxqEcjsWiDxguehC2Sw

Malware Config

Extracted

Family

darkcomet

Botnet

Guest16

C2

christmas-flooring.gl.at.ply.gg:29421

Mutex

DC_MUTEX-94MC02K

Attributes
  • InstallPath

    cssr.exe

  • gencode

    yjfJYytCpL9z

  • install

    true

  • offline_keylogger

    true

  • persistence

    false

  • reg_key

    MicroUpdate

rc4.plain

Targets

    • Target

      dllhost.bat

    • Size

      658KB

    • MD5

      19ff0b8faebbeca871f17a931bffdf1a

    • SHA1

      433d123f4733bb8cc867b2110858727e530ec7e4

    • SHA256

      c96325777c1db10cc8d7fd4371cd29d8a4fcba2ea5a421d296df36b072355333

    • SHA512

      e9a0af471d8cf5799631ae5bbb8e764f9aef885f67001ba9997d938e11b7198e921d945c9eed91441a5a0773145c2e19fae5e2af2a89424c0e3d9fec2c7545fa

    • SSDEEP

      12288:C9HMeUmcufrvA3kb445UEJ2jsWiD4EvFuu4cNgZhCiZKD/XdyF3:uiBIGkbxqEcjsWiDxguehC2Sw

    • Darkcomet

      DarkComet is a remote access trojan (RAT) developed by Jean-Pierre Lesueur.

    • Darkcomet family

    • Modifies WinLogon for persistence

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Executes dropped EXE

    • Adds Run key to start application

    • Drops file in System32 directory

MITRE ATT&CK Enterprise v16

Tasks